JPH0423086Y2 - - Google Patents

Description

[Detailed Description of the Invention] [Industrial Application Field] The present invention relates to a handbrake operating mechanism for a vehicle.

[Prior Art] In the handbrake operation mechanism disclosed in Japanese Utility Model Application Publication No. 58-54360, etc., a guide frame is fixed to a floor tunnel or console in the center of the floor of a passenger car, and a gate-shaped handle is moved up and down by the guide frame. However, the above-mentioned gate-shaped handle has a problem in that it is difficult to pull up the handle unless it suits the physique of the driver.

[Problems to be solved by the invention] In view of the above-mentioned problems, the purpose of the invention is to provide a system in which the forward and backward inclination of the guide frame can be adjusted so that the driver can operate the handbrake in a comfortable posture, regardless of the physique of the driver.
The object of the present invention is to provide a handbrake operating mechanism.

[Means for Solving the Problem] In order to achieve the above object, the configuration of the present invention includes a pin hole in a fixed plate in the front and rear direction vertically installed on the side floor of the driver's seat, and a circle centered on the pin hole. A pin and a bolt that pass through the bottom edge of the U-shaped guide frame are inserted into the arcuate holes, and nuts are screwed onto the bolts, and a rectangular frame is inserted into the guide grooves formed at the front and rear edges of the guide frame. A handle is supported so that it can be raised and lowered, and one end of a pawl piece supported pivotably on the edge of the handle is engaged with a ratchet formed on the edge of a guide frame, and a ratchet is formed between the other end of the pawl piece and the bottom edge of the handle. The operating part of the release rod, which can be raised and lowered and connected to the other end of the pawl, is supported on the upper edge of the handle, and the forward extending arm of the bell crank, which is pivoted on the floor, is attached to the bottom edge of the handle. The lower extending arm is connected to the rear wheel brake.

[Function] The guide frame is supported by a pin on a fixed plate fixed to the floor so that it can tilt back and forth, and is fastened with a nut by inserting a bolt into a pin hole in the guide frame and an arcuate hole in the fixed plate. Therefore, the handlebar supported on the guide frame so as to be movable up and down can be adjusted to an optimal longitudinal inclination for the physique of the driver.

[Embodiment of the invention] As shown in FIG. 1, a handbrake operation mechanism 40 according to the invention is disposed inside a console 9 in the front-rear direction raised from a flat surface of a floor 8.
Only the handle 1 projects slightly from the top surface of the console 9. A fixing plate 11 having a vertical wall or plate surface extending back and forth is fixed to the floor 8.

As shown in FIGS. 2 and 3, a guide frame 4 made of a U-shaped plate is supported by pins 20 on a fixed plate 11. As shown in FIGS. The guide frame 4 has both front and rear edges curved to have a U-shape in horizontal cross section to form a guide groove 4a, which guides and supports the handle 1 so as to be movable up and down.

As shown in FIG. 3, the guide frame 4 is provided with a pin hole 20a at the bottom edge thereof, into which the pin 20 is inserted, and a pair of front and rear stopper pins 13 are coupled thereto. The guide frame 4 is provided with a serrated ratchet 14 on one end edge. The guide frame 4 is separated from the pin hole 20a and the pin hole 1
2a is provided. The inclination of the guide frame 4 is determined by the bolt 1.
2 is inserted into the pin hole 12a and the arcuate hole 12b of the fixing plate 11 shown in FIG. 5, and the wing nut 21 is screwed onto the bolt 12 to fix it as shown in FIG.

As shown in FIG. 4, the handle 1 has a bottom edge
It is retracted into the console 9 by the force of a known spring provided in the brake system and biased in the brake release direction, and is configured to abut against the stopper pin 13. The handle 1 consists of a rectangular frame with an opening 24. As shown in FIG.
The intermediate portion of the claw piece 3, which can be engaged with, is rotatably supported by a pin 15. The handle 1 is provided with an elongated hole 10a at the same height as the pins 20, with the bottom edge of the handle 1 in contact with a pair of stopper pins 13.

As shown in FIG. 2, the front extending arm of the bell crank 6 is connected to the elongated hole 10a of the handle 1 by a pin 10. The bell crank 6 has an intermediate portion rotatably supported by a fixed plate 16 fixed to the floor 8 by a pin 17. A downwardly extending arm of the bell crank 6 is connected to a base 19 of a cable 7 by a pin 18. The other end of the cable 7 is connected to a known rear wheel brake.

As shown in FIG. 4, the force of the spring 22 applied between the claw piece 3 and the bottom edge of the handle 1 urges the claw piece 3 to rotate clockwise about the pin 15. In order to release the engagement between the pawl piece 3 and the ratchet 14, the handle 1 has an operation button 2 on its upper edge.
The operating button 2 and the claw piece 3 are connected by a release rod 23.

FIG. 6 is a front view (viewed from the side of the vehicle body) showing a specific configuration of the handbrake operating mechanism. The guide frame 4 is made of a substantially U-shaped plate, and has both front and rear edges bent to form a guide groove 4a, and a pair of stopper pins 13 are fixed to the bottom edge of the guide frame 4. In the figure, the left guide groove 4a has a ratchet 14 formed at its edge. The bottom edge of the guide frame 4 is supported on the fixing plate 11 by pins 20, and the bolts 12 are inserted between the arcuate shape 12b of the fixing plate 11 and the pin hole 1 of the guide frame 4.
2a (see FIG. 3) and tighten the wing nut 21, the guide frame 4 can be adjusted to the inclination shown by the chain line.

The handle 1 is made of a rectangular plate having an opening 24, and both end edges thereof are supported so as to be movable up and down along the guide groove 4a. The handle 1 is provided with a horizontally extending elongated hole 10a at its bottom edge, and the forward extending arm of the bell crank 6 is connected by a pin 10 inserted through the elongated hole 10a. The handle 1 supports an operation button 2 on its upper edge so as to be movable up and down. The operation button 2 can be pulled up until it hits a stopper 1a formed by horizontally bending the upper edge of the handle 1.

In reality, the operating button 2 is fixed to the upper horizontal part of the release rod 23, which is bent into a rectangular shape. Each vertical portion 23a, 23b of the release rod 23
is inserted into and supported by a cylindrical portion 25a provided on the handle 1 and a support plate 30a which also serves as a spring seat. Cylindrical part 2
5a is formed by making a U-shaped cut 25 in the plate surface of the handle 1 and bending the plate surrounded by the cut 25 into a cylindrical shape. The support plate 30a is also the handle 1
It is formed by making a cut 30 in the plate surface and bending the plate piece horizontally.

The release rod 23 has a spring seat 28 connected to the lower part of each vertical portion 23a, 23b by welding or the like, and the spring 22 is interposed between the left spring seat 28 and the spring seat 27 that is in contact with the cylindrical portion 25a. A spring 22 is interposed between the right spring seat 28 and the support plate 30a.

The release rod 23 has pin 2 attached to the lower horizontal portion 23c.
9 are connected by welding etc., and the claw piece 3 is attached to the pin 29.
The ends of are connected. The middle part of the claw piece 3 is attached to the pin 15
It is supported by the handle 1 by the force of the spring 22, is urged to rotate clockwise about the pin 15, and is engaged with the ratchet 14.

In order to operate the handle 1 by inserting a hand into the opening 24, the handle 1 has a cover 31 made of synthetic resin, an operation button 2, a release rod 23, a claw piece 3, etc.
be installed so as not to interfere with each operation. However, since this is not directly related to the gist of the present invention, it will not be described further.

Next, the operation of the handbrake operating mechanism according to the present invention will be explained. When the upper edge of the handle 1 forming a rectangular frame is placed with the hand and the operating button 2 is pushed up, the claw pieces 3 are rotated counterclockwise around the pin 15 and are disengaged from the ratchet 14. Therefore, the handle 1 can be pulled up smoothly. At this time, the bell crank 6 connected by the pin 10 is rotated clockwise about the pin 17 in FIG. 1, the cable 7 is pulled to the left, and the handbrake is applied. When the operation button 2 is released, the claw piece 3 is rotated clockwise around the pin 15 by the force of the spring 22, and the guide frame 4 is rotated clockwise.
The brake is engaged with the ratchet 14 of the brake to keep the brake applied.

To release the brake, pull up the operation button 2 to release the engagement between the claw piece 3 and the ratchet 14. At this time, it is easier to release by pulling up the handle 1 at the same time. Push the handle 1 down and release it when it hits the stopper pin 13.

According to the present invention, the guide frame 4 that guides and supports the handle 1 is supported on the floor part 8 so that its front and rear inclination can be adjusted. That is, when the wing nut 21 shown in FIG. .
By tightening the wing nut 21 at an appropriate inclination, the guide frame 4 is fixed at that inclination. Thereby, the inclination of the guide frame 4 can be adjusted to suit the physique of the driver so that the handle 1 can be pulled up easily.

[Effects of the invention] As mentioned above, the present invention has a U-shaped guide frame in the pin hole of the front-rear fixing plate vertically installed on the side floor of the driver's seat and the circular arc hole centered on the pin hole. A handle made of a rectangular frame is supported in a guide groove formed at the front and rear edges of the guide frame so as to be movable up and down. One end of the pawl that is pivoted on the edge of the handle is engaged with a ratchet formed on the edge of the guide frame, and a spring is stretched between the other end of the pawl and the bottom edge of the handle. The operating part of a release rod that can be raised and lowered and connected to the other end is supported on the upper edge of the handle, and the forward extending arm of a bell crank that is pivotably supported on the floor is connected to the bottom edge of the handle, and the lower extending arm is connected to the bottom edge of the handle. is linked to the rear wheel brake, and by loosening the bolt, the forward and backward inclination of the guide frame that guides and supports the steering wheel can be adjusted around the pin, allowing the driver to find the most comfortable posture that suits his/her physique. You can operate the handle with.

Since the guide frame is supported by the fixed plate with pins and bolts and is set at a predetermined inclination, the structure is simple and the operability of the handbrake is improved at a small cost.

[Brief explanation of the drawing]

Fig. 1 is a front view showing the principle structure of the handbrake operating mechanism according to the present invention, Fig. 2 is a cross-sectional view of the same plane, Fig. 3 is a front view of the guide frame, Fig. 4 is a front view of the handle, and Fig. 4 is a front view of the handle. FIG. 5 is a front view of the fixed plate, and FIG. 6 is a front view of the handbrake operating mechanism. DESCRIPTION OF SYMBOLS 1... Handle, 2... Operation button, 3... Claw piece, 4... Guide frame, 4a... Guide groove, 6... Bell crank, 8... Floor part, 11... Fixed plate, 12...
... Bolt, 12a... Pin hole, 12b... Arc-shaped hole, 14... Ratchet, 20... Pin, 21...
...wing nut, 22...spring, 23...release rod.

Claims (1)

[Scope of utility model registration request] A U is inserted into the pin hole of the front-rear fixing plate vertically installed on the side floor of the driver's seat and the circular arc-shaped hole centered around the pin hole.
A handle made of a rectangular frame can be raised and lowered by inserting a pin and a bolt that pass through the bottom edge of the letter-shaped guide frame, and screwing a nut onto the bolt, into the guide groove formed at the front and rear edges of the guide frame. One end of the pawl supported and pivoted on the edge of the handle engages with a ratchet formed on the edge of the guide frame, and a spring is stretched between the other end of the pawl and the bottom edge of the handle. , an operating part of a release rod that can be raised and lowered connected to the other end of the claw piece is supported on the upper edge of the handle, and a forward extending arm of a bell crank that is pivotably supported on the floor is connected to the bottom edge of the handle; A handbrake operating mechanism that connects a downwardly extending arm to the rear wheel brake.